Analysis of test questions: Huangdi Neijing, referred to as Neijing for short, summarizes the medical achievements before the Warring States Period and provides theoretical guidance for the medical development in China after the Warring States Period. It has laid a theoretical foundation for traditional Chinese medicine in the aspects of holistic view, contradictory view, meridian science, viscera imaging, etiology and pathogenesis, health care and preventive medicine, diagnosis and treatment principles, and has far-reaching influence. So choose a.

Comments: China's achievements in ancient medicine: Huangdi Neijing, the foundation work of Chinese medicine; At the end of the Han Dynasty, Zhang Zhongjing summarized the theories and experiences of his predecessors, and combined with his own practice, wrote a comprehensive Chinese medicine book Treatise on Febrile Diseases. The contribution of Treatise on Febrile Diseases is not only a summary, but also a creative method of syndrome differentiation and treatment, which laid the theoretical foundation of clinical science of traditional Chinese medicine in later generations, so it is called "an eternal treasure"; Li Shizhen's Compendium of Materia Medica is an important work of Chinese medicine, which is a systematic summary of Chinese medicine before16th century, and is called "Oriental Medicine Collection".